Maybe you love displaying giant inflatable ghosts, strings of spooky lights, fog machines, or strobe lights at this time of year. But programming light timers to turn everything on and off each night?

Today we are going to revisit the CD4541 programmable CMOS timer IC. Although this monostable timer chip has been around for a long time, and many other chips have superseded it, the CD4541 IC is ...

So I’ve gotten a lot better at turning out the lights when I’m not in the room. I’ve still got some work to do in terms of turning off power strips when I’m not using appliances though. I was thinking ...